package coms.itheima.dao.impl;

import coms.itheima.dao.BookDao;

public class BookDaoImpl implements BookDao {

    public BookDaoImpl() {
        System.out.println("book dao constructor is running ....");
    }
    public void init(){
        System.out.println("初始化数据");
    }

    public void save() {
        System.out.println("book dao save ...");
    }
public void destory(){
    System.out.println("销毁数据");
}
}
